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    METHOD AND DEVICE FOR PRODUCING LOW-CARBON OLEFINS AND BTX BY CATALYTICALLY CRACKING HYDROCARBON-CONTAINING RAW OIL
    1.
    发明公开
    METHOD AND DEVICE FOR PRODUCING LOW-CARBON OLEFINS AND BTX BY CATALYTICALLY CRACKING HYDROCARBON-CONTAINING RAW OIL 审中-公开

    公开(公告)号：EP4219664A1

    公开(公告)日：2023-08-02

    申请号：EP21885301.8

    申请日：2021-10-29

    申请人： China Petroleum & Chemical Corporation ,  Sinopec Research Institute of Petroleum Processing Co., Ltd.

    发明人： GONG, Jianhong ,  WANG, Xieqing ,  YANG, Chao ,  WEI, Xiaoli ,  ZHU, Genquan ,  MA, Wenming ,  CHEN, Yun

    IPC分类号： C10G51/06 ,  C10G11/04 ,  C10G55/06 ,  C10G69/00

    摘要： A process and apparatus for producing lower carbon olefins and BTX by catalytic pyrolysis of hydrocarbon-containing feedstock oil, and the process comprises the steps: cutting the hydrocarbon-containing feedstock oil into a light distillate oil and a heavy distillate oil; introducing the light distillate oil and a first catalyst into a down-flow reactor to perform a catalytic pyrolysis to produce a stream after the first catalytic pyrolysis; subjecting the stream after the first catalytic pyrolysis to a gas-solid separation to produce a first reaction hydrocarbon product and a first spent catalyst; or, introducing the stream after the first catalytic pyrolysis into a fluidized bed reactor to perform a catalytic pyrolysis, and then subjecting to a gas-solid separation to produce a second reaction hydrocarbon product and a second spent catalyst; introducing a continuous catalyst, the heavy distillate oil and a second catalyst into an up-flow reactor to perform a catalytic pyrolysis, and then subjecting to a gas-solid separation to produce a third reaction hydrocarbon product and a third spent catalyst; separating out lower carbon olefins and light aromatics from reaction hydrocarbon products, and separating out a light olefin fraction, and returning the light olefin fraction to the fluidized bed reactor or the up-flow reactor. The process can significantly increase the yields of lower carbon olefins and light aromatics as well as the economy of the apparatus.

    CATALYTIC CRACKING METHOD AND CATALYST SYSTEM
    4.
    发明公开
    CATALYTIC CRACKING METHOD AND CATALYST SYSTEM 审中-公开

    公开(公告)号：EP3872056A1

    公开(公告)日：2021-09-01

    申请号：EP19875387.3

    申请日：2019-10-25

    申请人： China Petroleum & Chemical Corporation ,  Research Institute Of Petroleum Processing, Sinopec

    发明人： LUO, Yibin ,  OUYANG, Ying ,  XING, Enhui ,  SHU, Xingtian ,  CHENG, Xiaojie ,  ZHU, Genquan

    IPC分类号： C07C4/06 ,  C07C11/02 ,  C10G11/05

    摘要： Disclosed is a catalytic cracking process and a catalyst system, the process comprising a step of contacting a cracking feedstock with a catalytic cracking catalyst in the presence of a radical initiator for reaction under catalytic cracking conditions; wherein the radical initiator comprises a dendritic polymer and/or a hyperbranched polymer, the dendritic polymer and the hyperbranched polymer each independently has a degree of branching of about 0.3-1, and the dendritic polymer and the hyperbranched polymer each independently has a weight average molecular weight of greater than about 1000. The catalytic cracking process is beneficial to enhancing and accelerating the free radical cracking of petroleum hydrocarbon and promoting the regulation of cracking activity and product distribution; by using the process disclosed herein, the conversion of catalytic cracking can be improved, the yields of ethylene and propylene can be increased, and the yield of coke can be reduced.